The Arbitrary Lagrangian-Eulerian method is advantageous for ___________(a) Curvilinear grids(b) Non-orthogonal grids(c) Cartesian grids(d) Orthogonal gridsThis question was addressed to me in an international level competition.My question is taken from Incompressible Flows topic in division Incompressible Flows & Compressible Flows of Computational Fluid Dynamics

The Arbitrary Lagrangian-Eulerian method is advantageous for _________

1.	The Arbitrary Lagrangian-Eulerian method is advantageous for ___________(a) Curvilinear grids(b) Non-orthogonal grids(c) Cartesian grids(d) Orthogonal gridsThis question was addressed to me in an international level competition.My question is taken from Incompressible Flows topic in division Incompressible Flows & Compressible Flows of Computational Fluid Dynamics
Answer» Right answer is (B) Non-orthogonal grids To elaborate: The Arbitrary Lagrangian-Eulerian method has some ADVANTAGES for the non-orthogonal grids. One of these advantages is that the PRESSURE at the BOUNDARIES NEED not be specified here.

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